Why, @TeamYouTube are viewers telling me that with "All Notifications On" they're not seeing my videos post?pic.twitter.com/OfBx2V8s6L
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Jack's post is 6 hours past the post-time of the Ultima video he's referring to, but I suppose YouTube could just be very, very late. Of course, without knowing how many subscribers are ever notified, it's very hard to tell.